Models

Unrestricted case (φ ≠ 0) or restricted case (φ = 0)

Coefficient Driver of Equation (4)

Coefficient Estimates of γ0t in Equations (3) and (4)

Coefficient Driver of Equation (5)

Coefficient Estimates of γ1t in Equations (3) and (5)

Theil Forecasting Values

Conclusion

Zit

π00

π0i

Zjt

π10

π1j

U Statistic

Accept/Reject

II

φ = 0

CEXPI

33584.40

157.36

II

14.24

−0.00054

0.67

REJECT

(4.540)a

(3.267)a

(9.580)a

(−5.803)a

III

φ = 0

OMT

10646.68

457.72

II

10.78

−0.00038

0.53

REJECT

(1.383)

(6.128)a

(8.625)a

(−4.975)a

IV

φ = 0

REEXR

124224.59

−560.23

II

12.679

−0.00047

0.69

REJECT

(4.635)a

(−2.491)b

(8.362)a

(−4.941)a

V

φ ≠ 0

CEXPI

99318.03

−183.48

IM

3.73

−0.00011

0.33

ACCEPT

(12.24)a

(−3.266)a

(6.916)a

(−2.063)b

VI

φ = 0

CEXPI

132794.50

−390.82

IM

3.569

−0.00015

2.38

REJECT

(13.11)a

(−4.948)a

(13.59)a

(−6.231)a

VII

φ ≠ 0

OMT

70503.24

58.56

IM

4.476

−0.00013

0.39

REJECT

(5.594)a

(0.520)

(6.905)a

(−2.120)b

VIII

φ = 0

OMT

10195.42

641.03

IM

3.894

−0.00017

1.77

REJECT

(0.6130)

(4.493)a

(15.30)a

(−6.956)a

IX

φ = 0

REEXR

174796.17

−773.52

IM

3.901

−0.00017

2.18

REJECT

(5.634)a

(−2.921)a

(14.14)a

(−6.707)a

X

φ = 0

CEXPI

34662.15

152.99

RCREI

13.18

−0.0003

7.15

REJECT

(4.512)a

(3.054)a

(9.078)a

(−5.244)a

XI

φ = 0

OMT

9875.12

468.13

RCREI

9.99

−0.00021

5.17

REJECT

(1.247)

(6.010)a

(8.293)a

(−4.537)a

XII

φ = 0

REEXR

125398.15

−566.97

RCREI

11.75

−0.00026

6.41

REJECT

(4.539)a

(−2.446)b

(8.010)a

(−4.499)a